* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    width: 390px;
    margin: 0 auto;
    color: #333;
}

.header {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid #eee;
    background: #fff;
}

.header .back {
    text-decoration: none;
    font-size: 16px;
    color: #000;
}

.header .title {
    margin-left: auto;
    margin-right: auto;
    font-size: 18px;
    font-weight: bold;
}

.content-container {
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    margin: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.support-section h2,
.faq-section h2 {
    font-size: 18px;
    margin-bottom: 10px;
}

.support-section p {
    font-size: 14px;
    margin-bottom: 10px;
}

.support-section ul,
.faq-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.support-section ul li,
.faq-section ul li {
    margin-bottom: 10px;
    font-size: 14px;
}

.support-section ul li span {
    font-weight: bold;
}

.support-section ul li a {
    color: #007BFF;
    text-decoration: none;
}

.support-section ul li a:hover {
    text-decoration: underline;
}

.faq-section ul li {
    cursor: pointer;
}

.faq-section ul li:hover {
    text-decoration: underline;
    color: #007BFF;
}

.footer {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: #666;
}

.footer p {
    padding: 10px 0;
}